#include<stdio.h>
#include"myadd.h"
#include"mysub.h"

int main()
{
  int x = 10;
  int y = 20;
  printf("add:%d\n",MyAdd(x,y));
  printf("sub:%d\n",MySub(x,y));
  printf("hello world\n");

  return 0;
}
